Sienna Miller Promotes High-Rise in Red Pinned-On Jewelry Dress

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Sienna Miller attended the premiere of her latest movie “High-Rise” held during the 2016 Tribeca Film Festival at the SVA Theatre in New York City.

Sienna Miller ties her hair back for the premiere of "High-Rise"Sienna Miller ties her hair back for the premiere of “High-Rise” held on April 20, 2016, during the 2016 Tribeca Film Festival at SVA Theatre in New York City (Credit: WENN)

In the 2015 British dystopian film, she portrays single mother Charlotte Melville, who begins a sexual relationship with Tom Hiddleston as Robert Laing.

Sienna Miller as Charlotte Melville in the 2015 British dystopian film High-RiseSienna Miller as Charlotte Melville in the 2015 British dystopian film High-Rise (Credit: StudioCanal)

The ever-so-chic and classy star unleashed her inner wild child in a red hot cutout dress with pinned-on jewelry from Christopher Kane’s Fall 2016 collection.

Sienna Miller wears a strappy red Christopher Kane dress with pinned-on gems on the red carpetSienna Miller wears a strappy red Christopher Kane dress with pinned-on gems on the red carpet (Credit: WENN)

She flashed plenty of flesh and showed a hint of cleavage in the strappy midi frock, which had sparkling pinned-on jewels and sexy slashes at the sides and midriff.

Sienna Miller shows off her shoulders and midriff in a cutout Christopher Kane dressSienna Miller shows off her shoulders and midriff in a cutout Christopher Kane dress (Credit: Andres Otero / C.Smith / WENN)

The 34-year-old popular actress was joined on the red carpet by her co-stars Tom Hiddleston and Luke Evans.

Tom looked neat in a three-piece suit by Dolce & Gabbana, which he paired with a light blue shirt and a patterned brown tie. He completed his look with brown oxford shoes and combed-back hair.

Sienna Miller poses with Tom Hiddleston in his Dolce & Gabbana suitSienna Miller poses with Tom Hiddleston in his Dolce & Gabbana suit (Credit: WENN)

On the other hand, “Dracula Untold” star Luke Evans was smart in a gray blazer, a white unbuttoned shirt, and navy trousers. He went sockless and rounded out his look with a pair of black loafers.

Tom Hiddleston, Sienna Miller, and Luke Evans attend the premiere of "High-Rise" held during the 2016 Tribeca Film FestivalTom Hiddleston, Sienna Miller, and Luke Evans attend the premiere of “High-Rise” held during the 2016 Tribeca Film Festival (Credit: WENN)

Sienna kept the rest of her accessories simple to let her dress do the talking.

She slipped into a pair of silver sandals and finished off her look with a messy but chic updo and subtle smokey eye makeup.

Sienna Miller shows some flesh in a red jewelry-embellished Christopher Kane dressSienna Miller shows some flesh in a red jewelry-embellished Christopher Kane dress (Credit: Andres Otero / C.Smith / WENN)

Can you help us identify her silver metallic ankle-strap heels?

Sienna Miller's feet in mirrored silver leather sandalsSienna Miller’s feet in mirrored silver leather sandals (Credit: WENN)

They are made of mirrored silver leather and feature buckled ankle straps, peep toes, a caged front, and about four-inch heels.

Sienna Miller's feet in silver peep-toe sandalsSienna Miller’s feet in silver peep-toe sandals (Credit: WENN)